This photo, for example, shows a plain old plug-in iron: https://web.archive.org/web/20161017222702/http://teamsteam....
Same guy, up in a tree, with the same iron: https://web.archive.org/web/20161017223140/http://teamsteam....
From this page: https://web.archive.org/web/20160920083532/http://teamsteam....
¯\_(ツ)_/¯
